• Year
  • 1961/1962
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 270742
    • Brand: Musaphonic

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Transistors
  • 7
  • Semiconductors
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Dry Batteries / "C": 6 x 1.5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm
  • Material
  • Leather / canvas / plastic - over other material
  • from Radiomuseum.org
  • Model: All Transistor P-840A - General Electric Co. GE;
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 8.5 x 6.25 x 3.5 inch / 216 x 159 x 89 mm
  • Notes
  • The General Electric P-840A is a portable, battery operated 7 transistor AM band receiver.  The AM band frequency tuning range is 540 to 1600kHz.  Has push-pull audio output stage and push button operated dial light.

    The General Electric P-840B uses the same schematic and cabinet except uses different transistors in the push-pull output stage.

  • Literature/Schematics (1)
  • Bunis, Transistor Radios, 2nd ed., 1996, p. 100
  • Author
  • Model page created by a member from A. See "Data change" for further contributors.

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